What is okey refresco?

As an AI language model, I do not have access to current information or updates about a company called "Okey Refresco". However, if you are referring to "Okey Refresco Fit", it is a carbonated soft drink brand in Turkey, popular for its low calorie and sugar-free options. The brand is owned by the Turkish company, Tat Gıda. Its products include Okey Refresco Fit Lemon, Okey Refresco Fit Orange, and Okey Refresco Fit Grapefruit.